Dual-tip highlighter



FIG. 1 is an upper front perspective view of a dual-tip highlighter showing my new design;

FIG. 2 is an exploded upper front perspective view of the dual-tip highlighter shown in FIG. 1;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear elevation view thereof;

FIG. 9 is a lower front perspective view of the highlighter shown in FIG. 1 with the lower cap removed and placed on the opposite end of the highlighter; and,

FIG. 10 is an inverted front perspective view thereof with the upper cap removed and placed on the opposite end of the highlighter.

The broken line showing of features inside the top and bottom in FIGS. 4 and 7 are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a dual-tip highlighter, as shown and described. 